Asked by Helga
It may look lame but I can't work out how to solve (-9) sqrt(4-x^2) = 4x + 5sqrt2. I need some guidance, please.
Answers
Answered by
drwls
First divide both sides by -9
sqrt(4-x^2) = 0.444x - 0.1571
Then square both sides and solve the resulting quadratic equation
sqrt(4-x^2) = 0.444x - 0.1571
Then square both sides and solve the resulting quadratic equation
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